In the extrusion process of industrial aluminum profiles, profiles wave, twist, bending and other problems often happen, which are caused by the profile shape defects caused by uneven aluminum flow.The main reasons for defects of aluminum profiles wave, twist and bend are as follows :1. The unreason

Causes of surface scratches of aluminum profiles and how to avoidThe main causes of surface damage and scratching of aluminum profiles are as follows :1. The surface of the billet is accompanied by debris or component segregation. When the billet surface appears a large number of segregation emerge